45444351 has 8 divisors (see below), whose sum is σ = 60656560. Its totient is φ = 30264192.

The previous prime is 45444319. The next prime is 45444361. The reversal of 45444351 is 15344454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45444351 - 2⁵ = 45444319 is a prime.

It is a super-2 number, since 2×45444351² = 4130378075622402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480 + ... + 10533.

It is an arithmetic number, because the mean of its divisors is an integer number (7582070).

Almost surely, 2^45444351 is an apocalyptic number.

45444351 is a deficient number, since it is larger than the sum of its proper divisors (15212209).

45444351 is a wasteful number, since it uses less digits than its factorization.

45444351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025.

The product of its digits is 19200, while the sum is 30.

The square root of 45444351 is about 6741.2425412531. The cubic root of 45444351 is about 356.8562454272.

The spelling of 45444351 in words is "forty-five million, four hundred forty-four thousand, three hundred fifty-one".